Big Screen LED Blood Oxygen Monitor Finger Pulse Digital Finger Oximeter Oxygen Saturation Meter - China White OLED Screen

Main Features

Note:Use standard 2 * AAA batteries. (Batteries not included)
Feature:
Blood oxygen saturation and pulse monitoring, waveform display.
Low power consumption.
Big Screen, Small size, light weight, easy to carry.
Low voltage alarm display, automatic power off.
Product function detailed description:
Blood oxygen saturation:
Measuring range: 70% -99%
Accuracy: ± 2% in 70% -99% stage, SpO2 is not specified (<70%)
Resolution: ± 1%
Low perfusion: <0.4%
Pulse rate:
1 Measuring range: 30bpm-250bpm
2 Accuracy: ± 2bpm or ± 2% (whichever is greater)
3 Power supply: 2 AAA 1.5V alkaline batteries
4 Power consumption: 30mA or less
5 Automatic shutdown: 8 seconds after no signal Automatic shut-down